better debug info when arg::operator=() fails

This commit is contained in:
Wenzel Jakob 2016-02-09 09:46:11 +01:00
parent 4f8902a931
commit 4fee179900

View File

@ -229,11 +229,21 @@ struct process_attribute<arg_t<T>> : process_attribute_default<arg_t<T>> {
object o = object(detail::type_caster<typename detail::intrinsic_type<T>::type>::cast( object o = object(detail::type_caster<typename detail::intrinsic_type<T>::type>::cast(
a.value, return_value_policy::automatic, handle()), false); a.value, return_value_policy::automatic, handle()), false);
if (!o) if (!o) {
pybind11_fail("arg(): could not convert default keyword " #if !defined(NDEBUG)
"argument into a Python object (type not " std::string descr(typeid(T).name());
"registered yet?)"); detail::clean_type_id(descr);
if (r->class_)
descr += " in method of " + (std::string) r->class_.str();
pybind11_fail("arg(): could not convert default keyword argument "
"of type " + descr +
" into a Python object (type not registered yet?)");
#else
pybind11_fail("arg(): could not convert default keyword argument "
"into a Python object (type not registered yet?). "
"Compile in debug mode for more information.");
#endif
}
r->args.emplace_back(a.name, a.descr, o.release()); r->args.emplace_back(a.name, a.descr, o.release());
} }
}; };